Roofing Tar Paper Felt
Heavyweight felt paper impregnated with tar or bitumen for use as a moisture barrier in roofing systems under shingles. Classified under HTS 4805.50.00.00 as uncoated felt paper in rolls, meeting the felted fiber structure without additional processing. Common grammage 100-300 g/m² with high tear resistance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily bitumen/tar product with minimal paper content
High bitumen proportion may classify as bituminous mixtures under 2715 instead of paper.
If surface-coated rather than fully impregnated
Surface coatings move it to coated paper headings in 4811.
If felt paper laminated to textile fabric
Textile reinforcement changes to textile-coated materials under 5901.
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Import Tips & Compliance
• Include lab certifications for tar saturation levels below coating thresholds to stay in 4805; overstating impregnation can lead to 4811 reclassification
• Declare exact basis weight and burst strength in entry docs, as roofing felts often scrutinized for construction material duties
• Avoid shipping in pre-cut sheets with perforations, which could fall under chapter note exclusions for heading 4820
Related Products under HTS 4805.50.00.00
Asphalt Saturated Felt Paperboard
Dense felt paperboard saturated with asphalt, used primarily as underlayment in roofing applications to provide waterproofing and protection. It falls under HTS 4805.50.00.00 as felt paperboard, which is a type of uncoated paperboard formed by compressing fibers into a felted structure without further processing beyond note 3 specifications. Typically weighs over 200 g/m² and supplied in rolls for construction use.
Millboard Felt Paper
Thick, dense felted paperboard known as millboard, used for insulating panels, bookbinding, and gaskets. HTS 4805.50.00.00 covers this uncoated felt paperboard in sheets or rolls, produced by felting wood or rag fibers without chemical coatings. Typically 500-1000 g/m² with high compressive strength.
Bookbinding Grayboard Felt
Recycled fiber felt paperboard, gray in color, used as rigid covers and spines in bookbinding. Classified in HTS 4805.50.00.00 as uncoated felt paperboard sheets, typically 800-1200 g/m², chipboard-style but distinctly felted.
Acoustic Ceiling Tile Felt Paper
Felted paperboard base layer for acoustic ceiling tiles, providing sound absorption before final surfacing. HTS 4805.50.00.00 for uncoated felt paperboard in sheets, 300-500 g/m², fibrous structure traps sound waves.
Rag Felt Paperboard
Traditional felt paperboard made from cotton rag fibers, used for artists' supports and premium gaskets. Under HTS 4805.50.00.00 as specialty uncoated felt paperboard sheets, prized for purity and texture.
Insulating Felt Paperboard
Low-density felt paperboard designed for thermal and acoustic insulation in building walls and machinery. Under HTS 4805.50.00.00 as uncoated felt paperboard, featuring interlaced fibers for air-trapping properties, supplied in rolls over 150 g/m².